ICS 03.220.20 R85 重庆市地方标准 DB50/T991—2020 城市道路交通运行评价规范 Urban roadtraffic performance evaluation 2020—04—10发布 2020—06—01实施 重庆市市场监督管理局发布 DB50/T991—2020 目次 前言..................................................................................................................................................................II 1范围 ....................................................................................................................................................................1 2规范性引用文件 ................................................................................................................................................1 3术语和定义 ........................................................................................................................................................1 4评价内容和流程 ................................................................................................................................................3 5评价对象和范围划分 ........................................................................................................................................3 5.1评价对象 ....................................................................................................................................................3 5.2城市道路网的划定 ....................................................................................................................................3 5.3城市分区域道路网的划分 .........................................................................................................................3 5.4道路的划分 ................................................................................................................................................4 5.5路段的划分 ................................................................................................................................................4 5.6桥梁、隧道的划定 .................。。。。。。以下内容略